html,
body {
  position: relative;
  overflow: hidden;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial,
    sans-serif;
  text-size-adjust: 100%;
  box-sizing: border-box;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizelegibility;
}

#app {
  width: 100%;
  height: 100%;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

a,
a:focus,
a:hover {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

div:focus {
  outline: none;
}

a:focus,
a:active,
button,
div,
svg,
span {
  outline: none;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

// ==============scrollbar==========

::-webkit-scrollbar {
  width: 7px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background-color: rgb(0 0 0 / 5%);
}

::-webkit-scrollbar-thumb {
  background-color: rgb(144 147 153 / 30%);
  border-radius: 2px;
  box-shadow: inset 0 0 6px rgb(0 0 0 / 20%);
}

::-webkit-scrollbar-thumb:hover {
  background-color: rgb(0 0 0 / 5%);
}

::-webkit-scrollbar-corner {
  background-color: transparent;
}
